Vaasa monthly weather averages
Average daytime temperature
The bar chart below shows the average monthly peak daytime temperatures at Vaasa
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | -5 | -4.8 | -0.7 | 5 | 12.4 | 17.8 | 19.6 | 17.6 | 12.4 | 7 | 1.4 | -2.7 |
| °F | 23 | 23.4 | 30.8 | 41 | 54.4 | 64.1 | 67.3 | 63.7 | 54.4 | 44.7 | 34.5 | 27.1 |
Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.
Average rainfall & rainy days
The graph below shows the average rainfall and number of rainy days per month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 33 | 24 | 26 | 26 | 32 | 37 | 53 | 62 | 61 | 51 | 50 | 39 |
| inches | 1.3 | 0.9 | 1 | 1 | 1.3 | 1.5 | 2.1 | 2.4 | 2.4 | 2 | 2 | 1.5 |
| Rainy days | 21 | 15 | 14 | 12 | 11 | 11 | 13 | 15 | 16 | 16 | 19 | 19 |
Average annual rainfall in Vaasa: 578.466mm (227.7 inches)
Average daily sunshine
The bar chart below shows the average daily sunshine hours in Vaasa
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hrs sunshine | 0.5 | 1.5 | 3.1 | 5.4 | 3.8 | 0 | 4.2 | 6.6 | 4 | 2.5 | 1.1 | 0.5 |
Day / night temperatures
The graph below shows the daily range of temperatures for each month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | -11.6 | -11.8 | -7.9 | -2 | 3.6 | 9 | 11.4 | 10.2 | 6.2 | 2.1 | -3.3 | -8.7 |
| Max °C | -4.9 | -4.6 | -0.5 | 5.2 | 12.7 | 18.1 | 19.8 | 17.8 | 12.6 | 7.2 | 1.5 | -2.6 |
| Min °F | 11.2 | 10.8 | 17.8 | 28.5 | 38.4 | 48.1 | 52.5 | 50.4 | 43.2 | 35.7 | 26.1 | 16.4 |
| Max °F | 17.2 | 17.2 | 24.4 | 34.9 | 46.6 | 56.3 | 60.1 | 57.2 | 48.9 | 40.3 | 30.4 | 21.9 |
Sea temperature
The graph below shows the average sea temperature.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 1.4 | 0.3 | 0.1 | 0.9 | 3.1 | 7.9 | 13.6 | 15.2 | 12.3 | 8.4 | 5.1 | 2.9 |
| °F | 34.5 | 32.5 | 32.2 | 33.6 | 37.6 | 46.2 | 56.5 | 59.4 | 54.2 | 47.1 | 41.1 | 37.1 |
Wind speed
The graph below shows the average wind speed.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| km/h | 18 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 17 | 19 | 19 | 19 |
| mph | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 11 | 12 | 12 | 12 |
A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.
Relative humidity
The graph below shows the average relative humidity.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 89% | 88% | 85% | 78% | 70% | 68% | 74% | 79% | 84% | 87% | 90% | 90% |
Other monthly averages
Vaasa weather stats
| Hottest month: | July | 19.6°C 67.3°F |
|---|---|---|
| Driest month: | February | 24mm 0.9ins |
| Sunniest month: | June | 0hrs |
| Coldest month: | January | -5°C 23°F |
| Wettest month: | August | 62mm 2.4ins |
| Warmest sea: | August | 15.2°C 59.4°F |
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